Calling "g scaffold" multiple times on the same model adds multiple items to views/layouts/_nav

[sol-vin]

Description

Calling amber g scaffold on the same model multiple times will add mutliple menu items to views/layouts/_nav

Steps to Reproduce

1. Make a new amber project, set up db, etc.
2. amber g scaffold ImAModel name:string
3. amber g scaffold ImAModel name:string
4. amber watch
5. Visit 127.0.0.1:3000
6. Should be multiple of the same menu item in the header menu.

Expected behavior: Not to make multiple nav items for the same item

Actual behavior: Makes multiple nav items for the same item

Reproduces how often: 100%

Versions

Amber CLI (amberframework.org) - v0.7.2

Additional Information

Nope

[eliasjpr]

Thanks for reporting this issue. It is a known issue and it would be great if someone can dedicate some time to prevent this from happening. Would you like to take on this task @redcodefinal?

[pynixwang]

@eliasjpr do not add to _nav will prevent this happening.

this feature is almost useless.

[drujensen]

#1018 enables interactive mode so it will warn you if you try to run the same generator twice. Adding a new resource to the navigation isn't useless. If you don't like the current generators, you can always create your own recipes.